Tracheostomy tubes provide artificial airway for adults requiring respiratory support or airway management. Device inserted through tracheotomy incision; secured via neckstrap attached to swivel neck flange. Features include extended proximal/distal lengths for anatomical variation, cuffed or uncuffed options, and flexible corrugated inner cannula (XIC) with 15mm push-lock connector. Used in clinical settings for spontaneous breathing or connection to anesthesia/ventilation equipment. Provides secure airway access; benefits include improved fit for unique patient anatomy and compatibility with standard ventilation equipment.
Clinical Evidence
No clinical data. Performance assessed via in-vitro bench testing comparing subject device to predicates. Metrics included tie strap hole strength, bond strengths (cannula to base, base to cap), cuff burst strength, and 15mm connector disconnect force. All results met or exceeded requirements.
Technological Characteristics
Tracheostomy tube with swivel neck flange. Materials: inflation cuffs utilize same material as Mallinckrodt Broncho-Cath. Features: extended proximal/distal lengths, flexible corrugated inner cannula (XIC), 15mm push-lock connector. Connectivity: mechanical interface for ventilation/anesthesia equipment. Sterilization: not specified.
Indications for Use
Indicated for adult patients requiring tracheal access for airway management, including spontaneous breathing or mechanical ventilation.
Regulatory Classification
Identification
A tracheostomy tube and tube cuff is a device intended to be placed into a surgical opening of the trachea to facilitate ventilation to the lungs. The cuff may be a separate or integral part of the tracheostomy tube and is, when inflated, intended to establish a seal between the tracheal wall and the tracheostomy tube. The cuff is used to prevent the patient's aspiration of substances, such as blood or vomit, or to provide a means for positive-pressure ventilation of the patient. This device is made of either stainless steel or plastic.
Predicate Devices
Smiths Industries Medical Systems (SIMS) Profile Tracheostomy Tubes (N/A)
Mallinckrodt Critical Care Broncho-Cath Right Endobronchial Tube (K912230)
Submission Summary (Full Text)
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Appendix F
Page 1 of 4
# 510(k) Class II SUMMARY
**Date Submitted:** April 2, 1997
**Submitter:** Mallinckrodt Medical, Inc.
Owner/Operator Number #1925021,
675 McDonnell Blvd.
St. Louis, MO 63134
**Contact Person:** Michael Schoeck, Regulatory Affairs Associate
Mallinckrodt Medical, Inc.
675 McDonnell Blvd.
St. Louis, MO 63134 (corporate offices)
(314) 895-2318 (phone) or (314) 895-2344 (fax)
**Device Name:** Shiley Extended Length, Disposable Cannula, Tracheostomy Tubes
**Common Name and Classification:** Tracheostomy Tube and tube cuff, 21 CFR 868.5800
**Predicate Devices:**
| Predicate Device Names | Product Designations | 510(k) Number |
| --- | --- | --- |
| 1. Smiths Industries Medical Systems (SIMS), Profile Tracheostomy Tubes with Portex Flexible Inner Cannulas. | “100/528/xxx” for ‘Profile’ Tracheostomy Tube with Flexible Inner Cannula
“100/522/xxx” for Separate Flexible Inner Cannulas (sold separate from Tracheostomy tubes)
(where “xxx” is the O/D size) | Marketed in Europe since approx. 1992 (see product literature in Appendix C). No 510(k) filed in USA (Mallinckrodt owns the U.S. patent). |
| 2. Specialized Tracheostomy Tubes | “MODIFIED xxx” (where xxx is the usual product designation of the modified tube) | K890194A, 7/20/89 |
| 3. Shiley Disposable Cannula, Low Pressure, Cuffed Tracheostomy Tube with Soft Swivel Neck Flange feature. | DCT and DIC (standard Disposable Inner Cannula included with DCT Tracheostomy Tube) | K962173, 10/4/96 |
| 4. Shiley Sleep Apnea Cuffed and Cuffless Tracheostomy Tubes | SLP (cuffed)
SCS (cuffless) | K861463, 5/6/86
K861462, 5/6/86 |
| 5. Shiley Single Cannula Tracheostomy Tube | SCT | K810106, 2/2/81 |
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Appendix F
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| Predicate Device Names | Product Designations | 510(k) Number |
| --- | --- | --- |
| 6. Mallinckrodt Cuffed Tracheal Tube | Hi-Lo® Tracheal Tubes | K871204, 4/21/87 |
| 7. Mallinckrodt Critical Care
Broncho-Cath Right Endobronchial
Tube with CPAP Valve | 85815, 85816, 85817, and 85818 | K912230, 8/22/91 |
## Device Description:
These devices are used to provide an artificial airway, in order to assist in the treatment of a variety of respiratory diseases and airway management in adults. After insertion in place through a tracheotomy incision in the patient’s neck and trachea, the devices are then secured in place with a tiestrap around the patient’s neck, which is attached to the tracheostomy tube’s swivel neck plate/flange. Once in place, these devices provide a secure artificial airway for spontaneous breathing or direct hook-up to ventilation or anesthesia equipment.
## Intended Use:
The intended use of the modified devices will continue to be provision of tracheal access for airway management in adults.
## Comparison of Technological Characteristics of Subject Versus Predicate Devices:
### Similarities:
- The new devices will be available in extended lengths, up to 105mm (compared to the standard Shiley DCT). These lengths are comparable to the predicate Shiley Specialized Tracheostomy Tubes.
- The new devices will be available in *cuffed* and *uncuffed* versions.
- Like predicate Shiley tracheostomy tubes, each Extended Length tracheostomy tube will be packaged with an obturator and neckstrap.
- Soft Swivel Neck Flange: This feature was found to be substantially equivalent to the current stiff swivel neck flange design in 510(k) #K962173 (cleared 10/4/96).
- The new devices’ inflation cuffs will utilize the same material used in the Mallinckrodt Broncho-Cath Endobronchial Tube.
### Differences:
- Non-arcuate tracheostomy tube shapes (compared to the arcuate standard Shiley DCT): The Extended Length Tracheostomy Tubes devices will vary in tube length along the *proximal* end of the tube (*before* the curvature of the tube) or along the *distal* end of the tube (*after* the curvature of the
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Appendix F
Page 3 of 4
tube), in order to accommodate unique anatomical needs. Comparable non-arcuate trach tube shapes are currently available in the predicate Shiley Specialized Trach Tubes and the Shiley Sleep Apnea Trach Tubes.
- Flexible extended length, disposable Inner Cannula. In order to accommodate the extended proximal and distal section lengths of these new devices, it was necessary to develop a more *flexible* Disposable Inner Cannula. The new *flexible* Extended Length Inner Cannula (“XIC”) has a “corrugated” appearance which allows the inner cannula increased lateral flexibility, while maintaining appropriate column strength. The predicate SIMS Profile device also features a flexible disposable Inner Cannula.
- The new XIC Disposable Inner Cannula terminates in an integral 15mm *push*-lock Connector (current 15mm connectors on standard Disposable Inner Cannulae (DIC) feature an integral *snap*-lock connector design).
- More flexible Outer Cannula body than the standard Shiley DCT (comparable to the predicate Mallinckrodt Hi-Lo Tracheal Tubes).
## Performance/Clinical Data:
### A. In-vitro performance data:
| Test | Predicate Device Test Results | Modified Device Test Results | CEN Standard Requirements |
| --- | --- | --- | --- |
| Tie Strap Hole Strength: | 26.7 lbs force (SCT) | 45.8 lbs force | No requirement for this test parameter |
| Outer cannula body to Trach Head Base Bond Strength | 143.0 lbs force (SCT) | 55.0 lbs force | No requirement for this test parameter |
| Trach Head Base-to-Head Cap Bond | N/A | 90.5 lbs force | No requirement for this test parameter |
| Cuff Burst Strength | 8.3 lbs force (SCT) | 6.6 lbs force | No requirement for this test parameter |
| 15mm Connector Disconnect Force | 19.1 lbs force (SCT) | 19.4 lbs force | No requirement for this test parameter |
| Neck Plate to Trach Tube Body Attachment Strength: | 42.1 lbs force (DCT) | 27.7 lbs force | minimum 11.3 lbs force |
### B. Clinical Data: Clinical data was not necessary, since device performance can be adequately assessed by in-vitro testing.
In conclusion, the similarities to the predicate devices, in conjunction with the physical integrity test results, demonstrate that the proposed modifications to these devices do not impact safety or effectiveness.
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Appendix F
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## Summary:
The data presented demonstrate that the proposed modifications (extended proximal and distal lengths, flexible spiral inner cannula design) to Shiley Tracheostomy Tubes does not impact device performance characteristics and, thus, does not raise new safety and efficacy questions. This information supports the conclusion that the modified Shiley Tracheostomy Tubes and accessories are substantially equivalent in intended use, operation, and characteristics, as compared to existing legally marketed devices.
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DEPARTMENT OF HEALTH & HUMAN SERVICES
Public Health Service
SEP 25 1997
Food and Drug Administration
9200 Corporate Boulevard
Rockville MD 20856
Mr. Michael B. Schoeck
Mallinckrodt Inc.
675 McDonnell Boulevard
P.O. Box 5840
St. Louis, Missouri 63134
Re: K971267
Shiley Extended Length, Disposable Cannula, Tracheostomy Tubes
(Models XCS-D, XCS-P, XLT-D, and XLT-P)
Regulatory Class: II (two)
Product Code: 73 JOH
Dated: July 25, 1997
Received: July 28, 1997
Dear Mr. Schoeck:
We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the current Good Manufacturing Practice requirements, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic (QS) inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations.
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Page 2 - Mr. Michael B. Schoeck
This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for *in vitro* diagnostic devices), please contact the Office of Compliance at (301) 594-4648. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its internet address "http://www.fda.gov/cdrh/dsmamain.html".
Sincerely yours,
Thomas J. Callahan, Ph.D.
Director
Division of Cardiovascular,
Respiratory, and Neurological Devices
Office of Device Evaluation
Center for Devices and
Radiological Health
Enclosure
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Page 1 of 1
510(k) Number (if known): k971267
Device Name: Shiley Extended Length, Disposable Cannula, Tracheostomy Tubes (Models XCS-D, XCS-P, XLT-D, and XLT-P)
Indications for Use:
To provide tracheal access for airway management.
(PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Prescription Use ☑ OR Over-The-Counter Use ☐
(Per 21 CFR 801.109)
(Division Sign-Off)
Division of Cardiovascular, Respiratory, and Neurological Devices
510(k) Number _______________
(Optional Format 1-2-96)
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1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
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Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
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Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
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Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
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Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
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Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
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Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
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Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
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A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
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The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.